The Cary Parkway (SR 3977) is a major semi-circular route through Cary, North Carolina. The parkway serves approximately as Cary's outer ring highway, though it does not form a complete circle like the inner ring, Maynard Road. Viewing a map of the city as a clock-face, Cary Parkway extends counterclockwise approximately from the 1 o'clock position in the northeast down to the 5 o'clock position in the southeast. At that point, the road departs from its circular path and heads southeast toward its terminus at Holly Springs Road.
Cary Parkway was built and widened in many stages over two decades, with one of the first stretches running from Seabrook Avenue to High Meadow Drive in south-central Cary. When it was originally built, the road was a two-lane road and was not striped. The intersection with Kildaire Farm Road was a stop sign. In the mid-1980s the City of Cary expanded the highway across US 1/64 to Holly Springs Road in east Cary, creating an interchange at 1/64 and widening the part of the parkway east of Kildaire Farm Road to a four-lane divided highway. West of Kildaire Farm road, the parkway remained a two-lane undivided road up to its original western terminus at Old Apex Road (this segment was not widened to four lanes until the late 1990s). West of that intersection, a four-lane divided segment of the parkway was constructed from scratch in the late 1980s and originally dead-ended just south of High House Road in western Cary for several years. Separately, a small unconnected stretch of Cary Parkway ran from west of Harrison Avenue to well east of Evans Road. During the second stretch of expansion this portion of the parkway was connected to the portion ending south of High House Road (passing through a short stretch of the town of Morrisville along the way), and extended eastward to Harrison Avenue. Currently, the only portion of the parkway that remains a two-lane undivided roadway is the segment running from just east of Evans Road to just west of Harrison Avenue.
There have been several discussions of extending the parkway. To the southeast, one plan brought the parkway from Holly Springs Road to Gorman Street in Raleigh. To the northeast, there has been talk of extending the parkway eastward from Harrison Avenue toward Trinity Road and I-40 in northeast Cary. This expansion has been approved by the city although construction will not begin before 2016 
|0.0||0.0||Holly Springs Road|
|2.0||3.2||US 1 / US 64 – Raleigh, Apex, Sanford|
|3.0||4.8||Kildaire Farm Road|
|4.5||7.2||Lake Pine Drive|
|5.4||8.7||Old Apex Road|
|7.9||12.7||High House Road||To Fred G. Bond Metro Park|
|9.6||15.4||NC 54 (Chapel Hill Road) – Morrisville, Chapel Hill|
|1.000 mi = 1.609 km; 1.000 km = 0.621 mi
- "Missing Link of Cary Parkway Could Open Next Week". WRAL-TV. Dec 1999. Retrieved 2009-09-15.
- "Growth's clip-clop suits horse farm". The News & Observer. Sep 16, 2008. Retrieved Sep 15, 2009.
- Cary Parkway Extension, City of Cary
- Google Inc. "Cary Parkway". Google Maps (Map). Cartography by Google, Inc. http://maps.google.com/maps?saddr=SE+Cary+Pkwy&daddr=35.775547,-78.8357649+to:NW+Cary+Pkwy&hl=en&ll=35.782867,-78.760643&spn=0.116559,0.222988&sll=35.814612,-78.785362&sspn=0.058256,0.111494&geocode=FdROIQId0nVO-w%3BFTvkIQIdzA9N-ym_uzTVgvKsiTH1xlne6oTsag%3BFXKOIgIdmApO-w&mra=dme&mrsp=2&sz=14&via=1&t=p&z=13. Retrieved 2012-04-21.